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How to use quotation marks in QStrings?

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  • B Offline
    B Offline
    bartvrossum
    wrote on last edited by
    #1

    Hi,

    I was wondering:
    When I use something like this, how do I have it get quotation marks in the output?

      qDebug() << "I want this to display in quotation marks:\n";
    

    Like, this doesn't work:

      qDebug() << ""I want this to display in quotation marks:\n"";
    

    Thanks in advance!

    Pl45m4P 1 Reply Last reply
    0
    • B bartvrossum

      Hi,

      I was wondering:
      When I use something like this, how do I have it get quotation marks in the output?

        qDebug() << "I want this to display in quotation marks:\n";
      

      Like, this doesn't work:

        qDebug() << ""I want this to display in quotation marks:\n"";
      

      Thanks in advance!

      Pl45m4P Offline
      Pl45m4P Offline
      Pl45m4
      wrote on last edited by
      #2

      @bartvrossum

      Hi,

      escape it with \.

      qDebug() << "\"Foo\"";


      If debugging is the process of removing software bugs, then programming must be the process of putting them in.

      ~E. W. Dijkstra

      1 Reply Last reply
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      • Chris KawaC Offline
        Chris KawaC Offline
        Chris Kawa
        Lifetime Qt Champion
        wrote on last edited by Chris Kawa
        #3

        " is a special character inside a string, so, like with \n you need to escape it with \:

        qDebug() << "\"I want this to display in quotation marks:\n\"";
        

        or with C++11 you can use it unescaped enclosed in R"( and )"

        qDebug() << R"("I want this to display in quotation marks:
        ")";
        
        1 Reply Last reply
        4

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